Using COC(=O)c1cccc(CCCN2CCC(CN(C(=O)C(F)(F)F)[C@@H]3C[C@H]3c3ccccc3)CC2)c1 to produce O=C(O)c1cccc(CCCN2CCC(CN[C@@H]3C[C@H]3c3ccccc3)CC2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.