Using COC1c2nn(C(C)(C)C)cc2CC2(CCN(C(=O)OCc3ccccc3)CC2)C1Br to produce CC(C)(C)n1cc2c(n1)C(=O)CC1(CCN(C(=O)OCc3ccccc3)CC1)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.