Using CCOC(=O)c1cc(CCN2C(=O)c3ccccc3C2=O)n(C)n1 to produce Cn1nc(C(=O)O)cc1CCN1C(=O)c2ccccc2C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.