Using CCOC(=O)CNC(=O)N1CCN(c2cc(N)nc3cc(Cl)ccc23)CC1 to produce Nc1cc(N2CCN(C(=O)NCC(=O)O)CC2)c2ccc(Cl)cc2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.