Using CC(C)(C)OC(=O)N1C2CC3CC1CC(O)(C3)C2, C1CCOC1 to produce COC12CC3CC(C1)N(C(=O)OC(C)(C)C)C(C3)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.