Using CCOC(=O)Cn1nc(-c2ccc(Cl)cc2)n(Cc2ccc(OC)cc2)c1=O to produce COc1ccc(Cn2c(-c3ccc(Cl)cc3)nn(CC(=O)O)c2=O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.