Using CC(O)c1cccc2c1C1(CCN(Cc3ccccc3)CC1)CN2C(=O)OC(C)(C)C to produce CC(O)c1cccc2c1C1(CCN(Cc3ccccc3)CC1)CN2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.