Using COC(=O)CCc1cccc(Oc2ccnc(NC(=O)OC(C)(C)C)c2)c1 to produce CC(C)(C)OC(=O)Nc1cc(Oc2cccc(CCC(=O)O)c2)ccn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.