Using COc1ccc2ncnc(CCC3(O)CCC(=O)CC3)c2c1, NCc1ccc2c(c1)OCO2 to produce COc1ccc2ncnc(CCC3(O)CCC(NCc4ccc5c(c4)OCO5)CC3)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.