Using CC(C)(C)OC(=O)NCCc1ccc(C=O)cc1, CC1CCCN1 to produce CC1CCCN1Cc1ccc(CCNC(=O)OC(C)(C)C)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.