Using CN1CCN(C2=Nc3ccccc3Sc3ccc(Cl)cc32)CC1, CCOC(=O)Cl to produce CCOC(=O)N1CCN(C2=Nc3ccccc3Sc3ccc(Cl)cc32)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.