Using CCN=C=NCCCN(C)C, Cc1ccncc1N1CCN(c2ccc(C(=O)O)cc2)C1=O to produce CNC(=O)c1ccc(N2CCN(c3cnccc3C)C2=O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.