Using COc1ccc(CN2CC3(CCN(C(=O)OC(C)(C)C)CC3)OCC2c2ccccc2)cc1 to produce CC(C)(C)OC(=O)N1CCC2(CC1)CNC(c1ccccc1)CO2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.