Using CCC1CN=C2[C@H](NC(=O)OC(C)(C)C)CC[C@@H](c3cccc(F)c3F)CN21 to produce CCC1CN=C2[C@H](N)CC[C@@H](c3cccc(F)c3F)CN21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.