Using CC(C)(C)C(=O)OCCl, Cc1nc2c([nH]1)c(=O)[nH]c(=O)n2Cc1ccco1 to produce Cc1nc2c(c(=O)[nH]c(=O)n2Cc2ccco2)n1COC(=O)C(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.