Using BrCc1cccs1, CN(C)C(=O)C1CCN(Cc2ccc(CCn3ccc(O)cc3=O)cc2)CC1 to produce CN(C)C(=O)C1CCN(Cc2ccc(CCn3ccc(OCc4cccs4)cc3=O)cc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.