Using CC(C)(C)OC(=O)NCc1ccc2c(ccn2C(=O)OC(C)(C)C)n1, C[Si](C)(C)[N-][Si](C)(C)C to produce CN(Cc1ccc2c(ccn2C(=O)OC(C)(C)C)n1)C(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.