Using CC(C)(C)OC(=O)NC1CCN(c2ccc(C=CC(=O)O)cc2)CC1, C1COCCN1 to produce CC(C)(C)OC(=O)NC1CCN(c2ccc(C=CC(=O)N3CCOCC3)cc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.