Using CC(C)(C)OC(=O)N1CCC2(CC1)C(=O)NCN2c1ccccc1, CCOC(=O)CCCCBr to produce CCOC(=O)CCCCN1CN(c2ccccc2)C2(CCN(C(=O)OC(C)(C)C)CC2)C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.