Using COC(=O)c1cccc2[nH]c(-c3ccc(CN4CCCC4)cc3C(F)(F)F)nc12 to produce O=C(O)c1cccc2[nH]c(-c3ccc(CN4CCCC4)cc3C(F)(F)F)nc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.