Using CCOC(CCCN1C(=O)c2ccccc2C1=O)OCC, NNc1ccc(CC(N)=O)cc1 to produce NC(=O)Cc1ccc2[nH]cc(CCN3C(=O)c4ccccc4C3=O)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.