Using CCc1nc2c(C)cc(C)nc2n1Cc1ccc(-c2ccccc2-c2c(O)c(=O)c2=O)cc1, CC(C)(C)C(=O)OCCl to produce CCc1nc2c(C)cc(C)nc2n1Cc1ccc(-c2ccccc2-c2c(OCOC(=O)C(C)(C)C)c(=O)c2=O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.