Using COC1=CCc2cccc(N3CCN(CCCCOc4ccc5ccc(=O)[nH]c5n4)CC3)c2C1 to produce O=C1CCc2cccc(N3CCN(CCCCOc4ccc5ccc(=O)[nH]c5n4)CC3)c2C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.