Using CCOC(=O)c1cnc(Nc2ccc(N3CCCCC3)cc2)[nH]c1=O to produce O=C(O)c1cnc(Nc2ccc(N3CCCCC3)cc2)[nH]c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.