Using CCOC(=O)c1ccc2c(c1)c(C)c(C)n2Cc1ccccc1 to produce CCOC(=O)c1ccc2c(c1)C(C)C(C)N2Cc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.