Using COC(=O)c1c[nH]cn1, O=C(c1ccccc1)N1CCC(O)c2ccccc21 to produce COC(=O)c1cncn1C1CCN(C(=O)c2ccccc2)c2ccccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.