Using Nc1c(O)cccc1O, COc1ccc(CC(=O)O)cc1OC1CCCC1 to produce COc1ccc(CC(=O)Nc2c(O)cccc2O)cc1OC1CCCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.