Using COc1cc(O)c2c(O)ncnc2c1, CC(C)(C)C(=O)OCCl to produce COc1cc(O)c2c(=O)n(COC(=O)C(C)(C)C)cnc2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.