Using Cc1ccc(C2c3c(C)c(N)c(C)c(C)c3OC2(C)C)cc1, O=C1OC(=O)c2ccccc21 to produce Cc1ccc(C2c3c(C)c(N4C(=O)c5ccccc5C4=O)c(C)c(C)c3OC2(C)C)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.