Using COC(=O)C1CCN(CC(=O)O)C1, c1cnc(-c2ccc(N3CCNCC3)cc2)nc1 to produce COC(=O)C1CCN(CC(=O)N2CCN(c3ccc(-c4ncccn4)cc3)CC2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.