Using CCCCOc1c(CNC(=O)OC(C)(C)C)n(CC(C)C)c(=O)c2ccc(-c3ccccn3)cc12 to produce CCCCOc1c(CN)n(CC(C)C)c(=O)c2ccc(-c3ccccn3)cc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.