Using CCOC(=O)CN(C(=O)CCCc1ccnc(C(=O)OC(C)(C)C)c1N)C1CC1 to produce CC(C)(C)OC(=O)c1nccc(CCCC(=O)N(CC(=O)O)C2CC2)c1N, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.