Using CCOC(=O)CCc1ccc(OCCCCOCc2ccccc2)nc1NC(=O)C(C)(C)C to produce O=C1CCc2ccc(OCCCCOCc3ccccc3)nc2N1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.