Using NC(=O)c1c(Cl)c(-c2cccnc2)n2c1C=C(Cl)CC2, COC(=O)CCS to produce NC(=O)c1c(Cl)c(-c2cccnc2)n2c1C=C(S)CC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.