Using COc1cc2c(CC(=O)N(C)Cc3ccccc3)cnc(CNC(=O)OC(C)(C)C)c2cc1OC to produce COc1cc2c(CC(=O)N(C)Cc3ccccc3)cnc(CN)c2cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.