Using COC(=O)C(CC1CCC(OC)C1)c1ccc(Cl)c(Cl)c1, Nc1nccs1 to produce COC1CCC(CC(C(=O)Nc2nccs2)c2ccc(Cl)c(Cl)c2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.