Using COc1ccc(CNc2cccc(CCCCC(=O)C=Cc3ccncn3)n2)cc1 to produce COc1ccc(CNc2cccc(CCCCC(O)C=Cc3ccncn3)n2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.