Using O=C(OCc1ccccc1)N1CCc2c([nH]c3ccccc23)C1, CC(C)(C)OC(=O)CBr to produce CC(C)(C)OC(=O)Cn1c2c(c3ccccc31)CCN(C(=O)OCc1ccccc1)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.