Using C=CCn1c(-c2ccccc2)c(-c2ccccc2)c2c(Cl)ncnc21, NCC1CCCS1 to produce C=CCn1c(-c2ccccc2)c(-c2ccccc2)c2c(NCC3CCCS3)ncnc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.