Using COCC(n1c(=O)[nH]c2ccccc21)C(C)(C)C(=O)OC, Cc1cccc2c1c(C[N+](C)(C)C)cn2C to produce COCC(n1c(=O)n(CC2CN(C)c3cccc(C)c32)c2ccccc21)C(C)(C)C(=O)OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.