Using COc1ccc(C2=NN(C3CCNCC3)C(=O)C2(C)C)cc1OC, CC(C)(C)OC(=O)NCC(=O)O to produce COc1ccc(C2=NN(C3CCN(C(=O)CNC(=O)OC(C)(C)C)CC3)C(=O)C2(C)C)cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.