Using CC(C)(C)OC(=O)N1CCC(c2cccc(C(=O)O)c2)C1, NCC(O)CN1CCc2ccccc2C1 to produce CC(C)(C)OC(=O)N1CCC(c2cccc(C(=O)NCC(O)CN3CCc4ccccc4C3)c2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.