Using COC(=O)c1ccc(N)cc1, CCOC(=O)CC(=O)c1ccccc1 to produce COC(=O)c1ccc2c(c1)C(=O)CC(c1ccccc1)=N2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.