Using CC(=O)Nc1cccc(C2CCNCC2)c1, CC(C)(C)OC(=O)NCCCBr to produce CC(=O)Nc1cccc(C2CCN(CCCNC(=O)OC(C)(C)C)CC2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.