Using CCn1c2ccccc2c2cc(N)ccc21, COC(=S)c1cc(Br)c(C)s1 to produce CCn1c2ccccc2c2cc(Nc3cc(C(=S)OC)sc3C)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.