Using CCn1c(-c2ccc(Cl)cc2)c[nH]c1=O, CCOC(=O)CCl to produce CCn1c(-c2ccc(Cl)cc2)cn(CC(=O)O)c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.