Using COc1cc2c(Oc3ccc(NC(=O)c4ccccc4)cc3)ncnc2cc1OCC[C@H](N)C(=O)OC1CCCC1 to produce COc1cc2c(Oc3ccc(NC(=O)c4ccccc4)cc3)ncnc2cc1OCC[C@H](N)C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.