Using CC(C)(C)OC(=O)N1CCCC(C(=O)O)C1, NC(CCCc1ccccc1)CCCc1ccccc1 to produce CC(C)(C)OC(=O)N1CCCC(C(=O)NC(CCCc2ccccc2)CCCc2ccccc2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.