Using O=S(=O)(O)O, CCOC(=O)C(C(=O)OCC)C(C)(C)C(C#N)(CCCN(C)C)c1cccc(OC)c1 to produce COc1cccc(C2(CCCN(C)C)C(=O)NC(=O)CC2(C)C)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.