Using CCNC, O=C(O)c1ccc(N2CCN(Cc3cnc4c(c3)NC(=O)[C@@H]3CCCN43)CC2)cc1 to produce CCN(C)C(=O)c1ccc(N2CCN(Cc3cnc4c(c3)NC(=O)[C@@H]3CCCN43)CC2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.