Using CCCI, O=C(O)c1cccc(-n2c(=O)c(Cc3ccccc3)nc3cccnc32)c1 to produce CCCOC(=O)c1cccc(-n2c(=O)c(Cc3ccccc3)nc3cccnc32)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.