Using COc1ccc(COc2nc(OCc3ccc(OC)cc3)c3ccc(N4CCOCC4)cc3n2)cc1 to produce O=c1[nH]c(=O)c2ccc(N3CCOCC3)cc2[nH]1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.