Using CCCNC(=O)Nc1ccc(C(=O)c2ncc3ccccn23)cc1C(=O)OC to produce CCCn1c(=O)[nH]c2ccc(C(=O)c3ncc4ccccn34)cc2c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.