Using BrCCc1ccccc1, CC1CSC2=CC=NC3=CC=CC(c4ccccc4)C321 to produce CC1C(CCc2ccccc2)SC2=CC=NC3=CC=CC(c4ccccc4)C321, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.