Using CS(=O)(=O)OCCCn1c(=O)[nH]c2cc(Cl)ccc21, O=C1NCN(c2ccccc2)C12CCNCC2 to produce O=C1NCN(c2ccccc2)C12CCN(CCCn1c(=O)[nH]c3cc(Cl)ccc31)CC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.