Using COc1ccc(Oc2cccc(-c3cccc4nc(Nc5ccc(OCCN6CCCC6)cc5)nn34)c2)cc1 to produce Oc1cccc(-c2cccc3nc(Nc4ccc(OCCN5CCCC5)cc4)nn23)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.