Using CCOC(=O)COc1ccc(C(=CC(=O)NCc2cccnc2)c2ccccc2)cc1 to produce O=C(O)COc1ccc(C(=CC(=O)NCc2cccnc2)c2ccccc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.