Using O=C(c1ccc(F)cc1)C1CCNCC1, CC(C)(C)OC(=O)NCCCCBr to produce CC(C)(C)OC(=O)NCCCCN1CCC(C(=O)c2ccc(F)cc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.