Using CN1CCN(c2ccccc2C=C2SCCN(c3ccc(Cl)c(Cl)c3)C2=O)CC1 to produce O=C1C(=Cc2ccccc2N2CCNCC2)SCCN1c1ccc(Cl)c(Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.