Using c1ccc(COc2ccc(Oc3ccc(-c4c[nH]c(COc5ccccc5)n4)cc3)cc2)cc1 to produce Oc1ccc(Oc2ccc(-c3c[nH]c(COc4ccccc4)n3)cc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.