Using CCN=C=NCCCN(C)C, COC[C@H](C)Oc1cc(Oc2ccc(C(=O)O)cc2F)cc(-c2ccc(-c3nccs3)[nH]2)c1 to produce COC[C@H](C)Oc1cc(Oc2ccc(C(N)=O)cc2F)cc(-c2ccc(-c3nccs3)[nH]2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.