Using COC(=O)CC1CCC(NC(=O)OC(C)(C)C)CC1, COC(=O)c1ccnc2ccc(OC)cc12 to produce COC(=O)C(C(=O)c1ccnc2ccc(OC)cc12)C1CCC(NC(=O)OC(C)(C)C)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.