Using CCN=C=NCCCN(C)C, COc1ccc(-c2nc3cc(C(=O)O)ccc3[nH]2)c2ccc(C(F)(F)F)nc12 to produce COc1ccc(-c2nc3cc(C(N)=O)ccc3[nH]2)c2ccc(C(F)(F)F)nc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.