Using COc1ccccc1C1(O)c2c(ccc3c2CCN(C(=O)OC(C)(C)C)CC3)CC1(F)F to produce COc1ccccc1C1c2c(ccc3c2CCNCC3)CC1(F)F, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.