Using O=Cc1ccccc1, O=c1n(Cc2ccc(Cl)cc2)c2sc3c(c2c2ncnn12)CCNC3 to produce O=c1n(Cc2ccc(Cl)cc2)c2sc3c(c2c2ncnn12)CCN(Cc1ccccc1)C3, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.