Using CCS, O=C(c1ccc(OCCCBr)cc1)N1CCC(N2C(=O)CCc3ccccc32)CC1 to produce CCSCCCOc1ccc(C(=O)N2CCC(N3C(=O)CCc4ccccc43)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.