Using O=C1Cn2c(c(Cl)c3ccccc32)-c2ccccc2N1, S=P12SP3(=S)SP(=S)(S1)SP(=S)(S2)S3 to produce S=C1Cn2c(c(Cl)c3ccccc32)-c2ccccc2N1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.