Using O=Cc1ccccc1, Cc1c(SCCN)ccnc1CSc1nc2ccccc2[nH]1 to produce Cc1c(SCCNCc2ccccc2)ccnc1CSc1nc2ccccc2[nH]1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.