Using Sc1ncc[nH]1, O=C(Nc1cccc2c(Cl)c(Br)cnc12)c1c(Cl)cccc1Cl to produce O=C(Nc1cccc2c(Sc3ncc[nH]3)c(Br)cnc12)c1c(Cl)cccc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.