Using CC(C)(C)OC(=O)N1CCCC(CN)C1, COc1ccc(-c2cnc(CCC(=O)O)nc2)cc1OC to produce COc1ccc(-c2cnc(CCC(=O)NCC3CCCN(C(=O)OC(C)(C)C)C3)nc2)cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.